4GMXT06.0188 Test Group / Engine Family GMC Emissions

Approval Details

Approved Parts

Approved Part	Executive Order	Approval
Airtek / CatCo 910005R	D-280-101	Valid
Car Sound / Magnaflow 445009	D-193-100	Valid
Car Sound / Magnaflow 445270	D-193-100	Valid
Car Sound / Magnaflow 445283	D-193-100	Valid
Eastern Catalytic 650035	D-665-20	Valid
Eastern Catalytic 651036	D-665-20	Valid
Eastern Catalytic 651627	D-665-20	Valid
Eastern Catalytic 651635	D-665-20	Valid
Int. Muffler Co. / Maremont 656803	D-560-5	Valid
Int. Muffler Co. / Maremont 656903	D-560-5	Valid
Miller CAT 56009	D-709-1	Valid
Miller CAT 76009	D-709	Valid
Valina / CarTex 114040	D-562-48	Valid
Valina / CarTex 114040	D-562-67	Valid
Valina / CarTex 115040	D-562-48	Valid
Valina / CarTex 115040	D-562-67	Valid
Valina / CarTex 115140	D-562-67	Valid
Tenneco - Walker 81724	D-182-52	Valid
Valina / CarTex 114050	D-562-48	Valid
Valina / CarTex 114050	D-562-67	Valid
Valina / CarTex 115050	D-562-67	Valid
Valina / CarTex 115150	D-562-67	Valid
Airtek / CatCo 919877	D-280-101	Valid
Airtek / CatCo 919878	D-280-101	Valid
Car Sound / Magnaflow 445281	D-193-100	Valid
Car Sound / Magnaflow 445642	D-193-100	Valid
Eastern Catalytic 650019	D-665-20	Valid
Eastern Catalytic 650023	D-665-20	Valid
Eastern Catalytic 651017	D-665-20	Valid
Eastern Catalytic 651022	D-665-20	Valid
Eastern Catalytic 651596	D-665-20	Valid
Eastern Catalytic 651597	D-665-20	Valid
Valina / CarTex 115050	D-562-48	Valid
Eastern Catalytic 651600	D-665-20	Valid
Eastern Catalytic 651601	D-665-20	Valid
Airtek / CatCo 912006	D-280-101	Valid
Airtek / CatCo 912006R	D-280-101	Valid
Airtek / CatCo 912036R	D-280-101	Valid

Validity

As of Wednesday, May 1st, 2024 there are no invalid or superceeded Executive Orders for this test group.

Labeling

Engine Family 4GMXT06.0188
EFN 4GMXT06.0188
Test Group 4GMXT06.0188
6L: 4GMXT06.0188
6Liters 4GMXT06.0188

Emission Level

MDV3 LEV1 LEV

For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Vehicles in Test Group 4GMXT06.0188

Vehicle	Application	Fit	Part Number	E.O.	Total Converters
2004 Chevrolet Silverado 1500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	4
2004 Chevrolet Silverado 1500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 1500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 1500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 1500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 1500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Car Sound / Magnaflow 445270	D-193-100	4
2004 Chevrolet Silverado 1500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Car Sound / Magnaflow 445283	D-193-100	4
2004 Chevrolet Silverado 1500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Eastern Catalytic 650035	D-665-20	4
2004 Chevrolet Silverado 1500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 650035	D-665-20	4
2004 Chevrolet Silverado 1500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Eastern Catalytic 651036	D-665-20	4
2004 Chevrolet Silverado 1500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 651036	D-665-20	4
2004 Chevrolet Silverado 1500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Eastern Catalytic 651627	D-665-20	4
2004 Chevrolet Silverado 1500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Eastern Catalytic 651635	D-665-20	4
2004 Chevrolet Silverado 1500	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 Chevrolet Silverado 1500	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 Chevrolet Silverado 1500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 Chevrolet Silverado 1500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 Chevrolet Silverado 1500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Miller CAT 76009	D-709	4
2004 Chevrolet Silverado 1500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-48	4
2004 Chevrolet Silverado 1500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-67	4
2004 Chevrolet Silverado 1500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-48	4
2004 Chevrolet Silverado 1500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-67	4
2004 Chevrolet Silverado 1500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115140	D-562-67	4
2004 Chevrolet Silverado 1500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 Chevrolet Silverado 1500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 Chevrolet Silverado 2500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	4
2004 Chevrolet Silverado 2500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 2500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 2500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 2500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 2500	6L ALL	Rear Left (Driver Side) - DIRECT FIT	Car Sound / Magnaflow 445270	D-193-100	4
2004 Chevrolet Silverado 2500	6L ALL	Rear of the vehicle - DIRECT FIT	Car Sound / Magnaflow 445283	D-193-100	4
2004 Chevrolet Silverado 2500	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 Chevrolet Silverado 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 Chevrolet Silverado 2500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114050	D-562-48	4
2004 Chevrolet Silverado 2500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114050	D-562-67	4
2004 Chevrolet Silverado 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115050	D-562-67	4
2004 Chevrolet Silverado 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115150	D-562-67	4
2004 Chevrolet Silverado 2500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 Chevrolet Silverado 2500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Airtek / CatCo 919877	D-280-101	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Airtek / CatCo 919878	D-280-101	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Car Sound / Magnaflow 445281	D-193-100	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Car Sound / Magnaflow 445642	D-193-100	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 650019	D-665-20	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Eastern Catalytic 650023	D-665-20	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 651017	D-665-20	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Eastern Catalytic 651022	D-665-20	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Eastern Catalytic 651596	D-665-20	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Eastern Catalytic 651597	D-665-20	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114050	D-562-48	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114050	D-562-67	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-48	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115050	D-562-48	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115050	D-562-67	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115150	D-562-67	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 Chevrolet Silverado 2500 HD	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 Chevrolet Silverado 3500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	4
2004 Chevrolet Silverado 3500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Airtek / CatCo 919877	D-280-101	4
2004 Chevrolet Silverado 3500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Airtek / CatCo 919878	D-280-101	4
2004 Chevrolet Silverado 3500	6L ALL	Front of the vehicle - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Silverado 3500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Eastern Catalytic 650023	D-665-20	4
2004 Chevrolet Silverado 3500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 650023	D-665-20	4
2004 Chevrolet Silverado 3500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Eastern Catalytic 651017	D-665-20	4
2004 Chevrolet Silverado 3500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 651017	D-665-20	4
2004 Chevrolet Silverado 3500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Eastern Catalytic 651596	D-665-20	4
2004 Chevrolet Silverado 3500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Eastern Catalytic 651597	D-665-20	4
2004 Chevrolet Silverado 3500	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 Chevrolet Silverado 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 Chevrolet Silverado 3500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 Chevrolet Silverado 3500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 Chevrolet Silverado 3500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-48	4
2004 Chevrolet Silverado 3500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-67	4
2004 Chevrolet Silverado 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-48	4
2004 Chevrolet Silverado 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-67	4
2004 Chevrolet Silverado 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115140	D-562-67	4
2004 Chevrolet Silverado 3500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 Chevrolet Silverado 3500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 Chevrolet Suburban 2500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	4
2004 Chevrolet Suburban 2500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Suburban 2500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Suburban 2500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Suburban 2500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 Chevrolet Suburban 2500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Car Sound / Magnaflow 445283	D-193-100	4
2004 Chevrolet Suburban 2500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Car Sound / Magnaflow 445642	D-193-100	4
2004 Chevrolet Suburban 2500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Eastern Catalytic 650035	D-665-20	4
2004 Chevrolet Suburban 2500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 650035	D-665-20	4
2004 Chevrolet Suburban 2500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Eastern Catalytic 651036	D-665-20	4
2004 Chevrolet Suburban 2500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 651036	D-665-20	4
2004 Chevrolet Suburban 2500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Eastern Catalytic 651600	D-665-20	4
2004 Chevrolet Suburban 2500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Eastern Catalytic 651601	D-665-20	4
2004 Chevrolet Suburban 2500	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 Chevrolet Suburban 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 Chevrolet Suburban 2500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 Chevrolet Suburban 2500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 Chevrolet Suburban 2500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-48	4
2004 Chevrolet Suburban 2500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-67	4
2004 Chevrolet Suburban 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-48	4
2004 Chevrolet Suburban 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-67	4
2004 Chevrolet Suburban 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115140	D-562-67	4
2004 Chevrolet Suburban 2500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 Chevrolet Suburban 2500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Sierra 1500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 912006	D-280-101	4
2004 GMC Sierra 1500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 912006R	D-280-101	4
2004 GMC Sierra 1500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 912036R	D-280-101	4
2004 GMC Sierra 1500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 1500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 1500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 1500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 1500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Car Sound / Magnaflow 445270	D-193-100	4
2004 GMC Sierra 1500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Car Sound / Magnaflow 445283	D-193-100	4
2004 GMC Sierra 1500	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 GMC Sierra 1500	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 GMC Sierra 1500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 GMC Sierra 1500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 GMC Sierra 1500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-48	4
2004 GMC Sierra 1500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-67	4
2004 GMC Sierra 1500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-48	4
2004 GMC Sierra 1500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-67	4
2004 GMC Sierra 1500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115140	D-562-67	4
2004 GMC Sierra 1500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Sierra 1500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Sierra 2500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	4
2004 GMC Sierra 2500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 2500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 2500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 2500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 2500	6L ALL	Rear Left (Driver Side) - DIRECT FIT	Car Sound / Magnaflow 445270	D-193-100	4
2004 GMC Sierra 2500	6L ALL	Rear of the vehicle - DIRECT FIT	Car Sound / Magnaflow 445283	D-193-100	4
2004 GMC Sierra 2500	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 GMC Sierra 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 GMC Sierra 2500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-67	4
2004 GMC Sierra 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-67	4
2004 GMC Sierra 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115140	D-562-67	4
2004 GMC Sierra 2500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Sierra 2500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Airtek / CatCo 919877	D-280-101	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Airtek / CatCo 919878	D-280-101	4
2004 GMC Sierra 2500 HD	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 2500 HD	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 2500 HD	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 2500 HD	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Car Sound / Magnaflow 445270	D-193-100	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Car Sound / Magnaflow 445283	D-193-100	4
2004 GMC Sierra 2500 HD	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 650019	D-665-20	4
2004 GMC Sierra 2500 HD	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Eastern Catalytic 650023	D-665-20	4
2004 GMC Sierra 2500 HD	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 651017	D-665-20	4
2004 GMC Sierra 2500 HD	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Eastern Catalytic 651022	D-665-20	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Eastern Catalytic 651596	D-665-20	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Eastern Catalytic 651597	D-665-20	4
2004 GMC Sierra 2500 HD	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 GMC Sierra 2500 HD	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 GMC Sierra 2500 HD	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-48	4
2004 GMC Sierra 2500 HD	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-48	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Sierra 2500 HD	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Sierra 3500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	4
2004 GMC Sierra 3500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Airtek / CatCo 919877	D-280-101	4
2004 GMC Sierra 3500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Airtek / CatCo 919878	D-280-101	4
2004 GMC Sierra 3500	6L ALL	Front of the vehicle - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Sierra 3500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Eastern Catalytic 650023	D-665-20	4
2004 GMC Sierra 3500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 650023	D-665-20	4
2004 GMC Sierra 3500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Eastern Catalytic 651017	D-665-20	4
2004 GMC Sierra 3500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 651017	D-665-20	4
2004 GMC Sierra 3500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Eastern Catalytic 651596	D-665-20	4
2004 GMC Sierra 3500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Eastern Catalytic 651597	D-665-20	4
2004 GMC Sierra 3500	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 GMC Sierra 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 GMC Sierra 3500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 GMC Sierra 3500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 GMC Sierra 3500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-48	4
2004 GMC Sierra 3500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114040	D-562-67	4
2004 GMC Sierra 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-48	4
2004 GMC Sierra 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115040	D-562-67	4
2004 GMC Sierra 3500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115140	D-562-67	4
2004 GMC Sierra 3500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Sierra 3500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Yukon XL 1500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	2
2004 GMC Yukon XL 2500	6L ALL	Underbody - UNIVERSAL	Airtek / CatCo 910005R	D-280-101	4
2004 GMC Yukon XL 2500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Yukon XL 2500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Yukon XL 2500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Yukon XL 2500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Car Sound / Magnaflow 445009	D-193-100	4
2004 GMC Yukon XL 2500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Car Sound / Magnaflow 445270	D-193-100	4
2004 GMC Yukon XL 2500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Car Sound / Magnaflow 445283	D-193-100	4
2004 GMC Yukon XL 2500	6L ALL	Front Left of the vehicle (Driver Side) - UNIVERSAL	Eastern Catalytic 650035	D-665-20	4
2004 GMC Yukon XL 2500	6L ALL	Front Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 650035	D-665-20	4
2004 GMC Yukon XL 2500	6L ALL	Rear Left (Driver Side) - UNIVERSAL	Eastern Catalytic 651036	D-665-20	4
2004 GMC Yukon XL 2500	6L ALL	Rear Right of the vehicle (Passenger Side) - UNIVERSAL	Eastern Catalytic 651036	D-665-20	4
2004 GMC Yukon XL 2500	6L ALL	Underbody Left (Driver Side) - DIRECT FIT	Eastern Catalytic 651600	D-665-20	4
2004 GMC Yukon XL 2500	6L ALL	Underbody Right (Passenger Side) - DIRECT FIT	Eastern Catalytic 651601	D-665-20	4
2004 GMC Yukon XL 2500	6L ALL	Front of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656803	D-560-5	4
2004 GMC Yukon XL 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Int. Muffler Co. / Maremont 656903	D-560-5	4
2004 GMC Yukon XL 2500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 GMC Yukon XL 2500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Miller CAT 56009	D-709-1	4
2004 GMC Yukon XL 2500	6L ALL	Front of the vehicle - UNIVERSAL	Valina / CarTex 114050	D-562-67	4
2004 GMC Yukon XL 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115050	D-562-67	4
2004 GMC Yukon XL 2500	6L ALL	Rear of the vehicle - UNIVERSAL	Valina / CarTex 115150	D-562-67	4
2004 GMC Yukon XL 2500	6L ALL	Underbody Left (Driver Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4
2004 GMC Yukon XL 2500	6L ALL	Underbody Right (Passenger Side) - UNIVERSAL	Tenneco - Walker 81724	D-182-52	4